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A rise in temp causes the expansion of the Mercury or alcohol present in the tube.The graduation is done in such a way that the amount of expansion gives the temp.

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13y ago
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14y ago

expansion of liquids and solids

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Q: A thermometer works on the principle that a rise in temperature causes?
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Related questions

How does the alchohol thermometer works?

The principle is the relation between the temperature and the volumic thermal expansion of an alcohol.


How does Mercury work?

Temperature affects the amount the mercury is spread out. Heat causes most liquids to expand, which is how a thermometer works. As heat around the glass protecting the mercury of the thermometer rises, the mercury expands and covers more room in the thermometer.


What is the temperature that a resistance thermometer works best at?

0 to 100c


How can you tell the temperature in a weather system?

A thermometer works well for this.


How does a fluid-filled thermometer works?

As the temperature of a fluid increases, its volume increases, and as the temperature decreases, its volume decreases. Since the liquid in a thermometer is in a closed container, the fluid rises when the temperature increases and lowers when the temperature decreases.


How a laboratory thermometer work?

It works when the thermometer gains heat from the surroundings. When the thermometer gains heat from the surroundings, gradually Mercury expands and it points the accurate measurement of temperature.


Can you use room thermometer to measure temperature in the fridge?

Yes, it works in the same manner.


How does a USB thermometer work?

A USB thermometer works in much the same way any digital thermometer works by measuring the temperature of the individual via contact with their skin or mouth. The USB thermometer is then able to be plugged into a computer via the USB to record and chart the findings.


How does a thermometer tell the temperature?

Bulb thermometers rely on the simple principle that a liquid changes its volume relative to its temperature. Liquids take up less space when they are cold and more space when they are warm (this same principal works for gases and is the basis of the hot air balloon.


What is principle of incubator?

It works on the principle that if optimum conditions of temperature and pressure are provided to organisms , then they can grow at their maximum rate.


What is a principle of incubator?

It works on the principle that if optimum conditions of temperature and pressure are provided to organisms , then they can grow at their maximum rate.


How does a black globe thermometer works?

Simply put, a black globe thermometer captures the raw temperature and solar radiation to calculate the "real feel" temperature of someone wearing a clothing or a uniform of some kind.